Our eEF2K (C-terminus) rabbit polyclonal primary antibody from PhosphoSolutions is produced in-house. It detects chicken, human, mouse, rat, and Xenopus eEF2K (C-terminus) and is antigen affinity purified. It is great for use in WB, ICC, IP.
Western blot image of eEF2K in human A431 (lane 1), Jurkat (lane 2), and HeLa (lane 3) cells, and immunoprecipitation of eEF2K from HeLa cell lysate using anti-eEF2K (C-terminus) antibody (lanes 4 & 6). Negative control immunopreciptations with no antibody are shown in lane 5 and 7. The blots were probed with anit-eEF2K (C-terminus) (lanes 1-5) or with anti-eEF2K (N-terminal) antibody (lanes 6 & 7).
Eukaryotic elongation factor 2 (eEF2) catalyzes the translocation of peptidyl-tRNA from the A site to the P site on the ribosome. eEF2 kinase (eEF2K) phosphorylates and inactivates eEF2, resulting in the inhibition of peptide-chain elongation. eEF2K is normally dependent on Ca2+ ions and calmodulin, and can be activated by PKA in response to elevated cAMP levels during cell stress- or starvation-related conditions. Regulation of eEF2K occurs through phosphorylation at multiple sites. Ser-78 phosphorylation is required for calmodulin binding and eEF2K activity, while phosphorylation of Ser-500 is required for Ca2+/calmodulin-independent kinase activity. Thr-348 is an autophosphorylation site that is required for kinase activity. Inhibitory phosphorylation may also regulate eEF2K, since phosphorylation at Ser-359 by SAPK4/p38delta causes inactivation of eEF2K. Thus, multisite phospho-regulation of eEF2K may be important for proper control of eEF2K activity and protein translation.
Antigen Affinity Purified
Polyclonal
IgG
ICC, IP, WB
Rabbit
EEF2K
105
eEF2K (C-terminus) synthetic peptide (coupled to carrier protein) corresponds to amino acids in the C-terminal region of human eEF2K. This sequence is well conserved in rat, mouse, chicken, and fish eEF2K, and has low homology to other proteins.
Chicken, Frog, Human, Mouse, Rat
Storage at -20°C is recommended, as aliquots may be taken without freeze/thawing due to presence of 50% glycerol. Stable for at least 1 year at -20°C.
Liquid
PBS + 1 mg/ml BSA, 0.05% NaN3 and 50% glycerol
WB: 1:1000
ICC: 1:200
IP: 1:100
Unconjugated
The antibody detects a 105 kDa* protein corresponding to the molecular mass of eEF2K on SDS-PAGE immunoblots of human A431, HeLa, and Jurkat cells. The antibody also detected eEF2K in immunoprecipitations in HeLa cells and immunofluorescent labeling in A431 cells.
Western blots performed on each lot.
For research use only. Not intended for therapeutic or diagnostic use. Use of all products is subject to our terms and conditions, which can be viewed on our website.
United States
After date of receipt, stable for at least 1 year at -20°C.
Fuchs, T, et al. 2017. Disinhibition of somatostatin-positive GABAergic interneurons results in an anxiolytic and antidepressant-like brain state. Molecular psychiatry, 920-930.
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